mach/semaphore.c

   1 /*
   2  * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * This file contains Original Code and/or Modifications of Original Code
   7  * as defined in and that are subject to the Apple Public Source License
   8  * Version 2.0 (the 'License'). You may not use this file except in
   9  * compliance with the License. Please obtain a copy of the License at
  10  * http://www.opensource.apple.com/apsl/ and read it before using this
  11  * file.
  12  *
  13  * The Original Code and all software distributed under the License are
  14  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  15  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  16  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  18  * Please see the License for the specific language governing rights and
  19  * limitations under the License.
  20  *
  21  * @APPLE_LICENSE_HEADER_END@
  22  */
  23
  24 #include <mach/boolean.h>
  25 #include <mach/message.h>
  26 #include <mach/kern_return.h>
  27 #include <mach/mach_traps.h>
  28 #include <mach/mach_types.h>
  29 #include <mach/clock_types.h>
  30
  31 kern_return_t semaphore_signal(
  32     mach_port_t signal_semaphore)
  33 {
  34         return semaphore_signal_trap(signal_semaphore);
  35 }
  36
  37 kern_return_t semaphore_signal_all(
  38     mach_port_t signal_semaphore)
  39 {
  40         return semaphore_signal_all_trap(signal_semaphore);
  41 }
  42
  43 kern_return_t semaphore_signal_thread(
  44     mach_port_t signal_semaphore,
  45     mach_port_t thread_act)
  46 {
  47         return semaphore_signal_thread_trap(signal_semaphore, thread_act);
  48 }
  49
  50 kern_return_t semaphore_wait (
  51     mach_port_t wait_semaphore)
  52 {
  53         return semaphore_wait_trap(wait_semaphore);
  54 }
  55
  56 kern_return_t semaphore_timedwait (
  57     mach_port_t wait_semaphore,
  58     mach_timespec_t wait_time)
  59 {
  60         return semaphore_timedwait_trap(wait_semaphore,
  61                                         wait_time.tv_sec,
  62                                         wait_time.tv_nsec);
  63 }
  64
  65 kern_return_t semaphore_wait_signal (
  66     mach_port_t wait_semaphore,
  67     mach_port_t signal_semaphore)
  68 {
  69         return semaphore_wait_signal_trap(wait_semaphore, signal_semaphore);
  70 }
  71
  72 kern_return_t semaphore_timedwait_signal (
  73     mach_port_t wait_semaphore,
  74     mach_port_t signal_semaphore,
  75     mach_timespec_t wait_time)
  76 {
  77         return semaphore_timedwait_signal_trap(wait_semaphore,
  78                                                signal_semaphore,
  79                                                wait_time.tv_sec,
  80                                                wait_time.tv_nsec);
  81 }